The calculated distance (air line) between Sānkrāil and Bhandārdaha is approximately 5 miles respectively 8 kilometers.
By car or train, the actual journey to Bhandārdaha is certainly longer, as only the direct route (as the crow flies) between Sānkrāil and Bhandārdaha has been calculated here.
Air line (approximately)
8 kilometers
4 nautical miles